clickhouse-backup : Tool for easy ClickHouse backup and restore ( https://github.com/AlexAkulov/clickhouse-backup )
hashget : Deduplication tool for archiving data with extremely high ratio ( https://github.com/yaroslaff/hashget )
pgbackrest : Reliable PostgreSQL Backup and Restore ( https://pgbackrest.org https://github.com/pgbackrest/pgbackrest )
urbackup-client : Client Server backup system ( https://www.urbackup.org/ )
urbackup-server : Client Server backup system ( https://www.urbackup.org/ )
wal-g : Archival restoration tool for databases ( https://github.com/wal-g/wal-g )
zbackup : A versatile deduplicating backup tool ( https://github.com/zbackup/zbackup )
Add an ebuild in portage :
The ebuild is now in the portage tree.
You can also use layman : emerge layman then layman -a nest
For Paludis use this rsync : rsync://gentoo.zugaina.org/nest-portage
If you have a problem : ycarus(-at-)zugaina.org